The anatomy of Herpetotherium cf. fugax COPE, 1873, a metatherian from the Oligocene of North America.

@article{Horovitz2008TheAO,
  title={The anatomy of Herpetotherium cf. fugax COPE, 1873, a metatherian from the Oligocene of North America.},
  author={In{\'e}s. Horovitz and Sandrine Ladev{\`e}ze and Christine Argot and Thomas E. Macrini and Thomas Martin and Jerry J. Hooker and Cornelia Kurz and Christian de Muizon and Marcelo R. S{\'a}nchez-Villagra},
  journal={Palaeontographica Abteilung A-palaozoologie-stratigraphie},
  year={2008},
  volume={284},
  pages={109-141}
}

The last African metatherian

TLDR
Morotodon aenigmaticus shows several features reminiscent of early herpetotheriids, such as Golerdelphys stocki (late Paleocene of North America), and Amphiperatherium ambiguum (Eocene of Europe); this suggests an origin for its lineage previous to the Oligocene.

The Element of Paaw in Marsupials and the Ear Region of Philander opossum (Linnaeus, 1758) (Didelphimorphia, Didelphidae)

TLDR
There is some variability in the presence of the bone both between and within individual museum specimens, but this is interpreted as the result of preparation techniques rather than true variation.

Therian Femora from the Late Cretaceous of Uzbekistan

TLDR
This sample may suggest that the metatherian proximal femoral condition is primitive for Theria and that some eutherian taxa (probably including Zhelestidae, which is dentally most abundant at these localities) retain this condition.

An exceptionally well-preserved skeleton of Palaeothentes from the Early Miocene of Patagonia, Argentina: new insights into the anatomy of extinct paucituberculatan marsupials

TLDR
A new and exceptional partial skeleton of Palaeothentes lemoinei (Palaeotenthidae) is described, collected from the Santa Cruz Formation (Santacrucian age, Early Miocene) in Patagonia, and demonstrated that P. leMoinei was an agile cursorial form, an inference supported by study of the new postcranial elements.

Allqokirus australis (Sparassodonta, Metatheria) from the early Palaeocene of Tiupampa (Bolivia) and the rise of the metatherian carnivorous radiation in South America

TLDR
The dental morphology of Allqokirus australis is extremely similar to that of Patene simpsoni from the early Eocene of Itaboraí (Brazil) and presents distinct (although incipient) carnivorous adaptations.

Earliest Eocene mammalian fauna from the Paleocene-Eocene Thermal Maximum at Sand Creek Divide, southern Bighorn Basin, Wyoming

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Comparative study of notoungulate (Placentalia, Mammalia) bony labyrinths and new phylogenetically informative inner ear characters

TLDR
The inner ears of the notoungulates Altitypotherium chucalensis, Pachyrukhos moyani and Hegetotheriidae are described based on reconstructions of bony labyrinths obtained from computed tomography imagery and estimates of the low‐frequency hearing limits in Notoungulate based on the ratio of radii of the apical and basal turns of the cochlea are provided.

Inner ear of a notoungulate placental mammal: anatomical description and examination of potentially phylogenetically informative characters

TLDR
It is tentatively predicted that Notostylops was a generalized terrestrial mammal, with cursorial tendencies, based on its agility scores and the range of locomotor patterns inferred from postcranial analyses of other notoungulates.

Caudal Cranium of Thylacosmilus atrox (Mammalia, Metatheria, Sparassodonta), a South American Predaceous Sabertooth

TLDR
The caudal cranium of the South American sabertooth Thylacosmilus atrox is described in detail, with emphasis on the constitution of the walls of the middle ear, cranial vasculature, and major nerve pathways.
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